1diff --git a/src/build-system.jam b/src/build-system.jam
2index 60425c54..c6842217 100644
3--- a/src/build-system.jam
4+++ b/src/build-system.jam
5@@ -644,7 +644,7 @@ local rule should-clean-project ( project )
6 }
7 else if [ os.name ] = MACOSX
8 {
9- default-toolset = darwin ;
10+ default-toolset = clang-darwin ;
11 }
12 }